You want the best fan base, you go to someone who's a fanboy of one of the non-M3 Strawhats.
Like a Franky or a Brook fan. They don't give a shit who's the strongest out of who, whether they're character is all time king of the universe or not. Enjoy the character for what he is, doesn't care about dick measuring contests, complaints are genuine about how they haven't had enough screentime.